diff --git a/configs/jsactions/rollup-plugin-bigjs-import-replacer.mjs b/configs/jsactions/rollup-plugin-bigjs-import-replacer.mjs
index c8d89eac7..22eb1166a 100644
--- a/configs/jsactions/rollup-plugin-bigjs-import-replacer.mjs
+++ b/configs/jsactions/rollup-plugin-bigjs-import-replacer.mjs
@@ -5,8 +5,11 @@ export function bigJsImportReplacer() {
             const [filename] = Object.keys(bundle);
             const fileInfo = bundle[filename];
 
-            // Remove Big import entirely - mxbuild will add it in the header at line 8
-            fileInfo.code = fileInfo.code.replace(/^import\s*\{\s*Big\s*\}\s*from\s*['"]big\.js['"];?\s*\r?\n/m, "");
+            // Keep the Big import (Studio Pro does not re-add it at runtime), normalized to Studio Pro's quote style
+            fileInfo.code = fileInfo.code.replace(
+                /^import\s*\{\s*Big\s*\}\s*from\s*['"]big\.js['"];?/m,
+                `import { Big } from "big.js";`
+            );
         }
     };
 }
diff --git a/packages/jsActions/mobile-resources-native/CHANGELOG.md b/packages/jsActions/mobile-resources-native/CHANGELOG.md
index 55c0f9e81..bd8260795 100644
--- a/packages/jsActions/mobile-resources-native/CHANGELOG.md
+++ b/packages/jsActions/mobile-resources-native/CHANGELOG.md
@@ -6,6 +6,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 ## [Unreleased]
 
+### Fixed
+
+-   Fixed an issue where actions using decimal values threw a "Big is not defined" error at runtime.
+
 ## [11.3.14] Native Mobile Resources - 2026-10-8
 
 ## [2.1.1] Gallery
diff --git a/packages/jsActions/nanoflow-actions-native/CHANGELOG.md b/packages/jsActions/nanoflow-actions-native/CHANGELOG.md
index d8509a0f7..55b420b00 100644
--- a/packages/jsActions/nanoflow-actions-native/CHANGELOG.md
+++ b/packages/jsActions/nanoflow-actions-native/CHANGELOG.md
@@ -6,6 +6,11 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 ## [Unreleased]
 
+### Fixed
+
+-   Fixed an issue where the "Get straight line distance" action threw an error at runtime.
+-   Fixed an issue where actions using decimal values threw a "Big is not defined" error at runtime.
+
 ## [6.2.3] Nanoflow Commons - 2026-9-2
 
 ### Fixed
diff --git a/packages/jsActions/nanoflow-actions-native/src/geolocation/GetStraightLineDistance.ts b/packages/jsActions/nanoflow-actions-native/src/geolocation/GetStraightLineDistance.ts
index 6974922b1..89477aa0b 100644
--- a/packages/jsActions/nanoflow-actions-native/src/geolocation/GetStraightLineDistance.ts
+++ b/packages/jsActions/nanoflow-actions-native/src/geolocation/GetStraightLineDistance.ts
@@ -9,8 +9,6 @@ import { Big } from "big.js";
 
 // BEGIN EXTRA CODE
 
-type DistanceUnit = "KILOMETER" | "STATUTE_MILE" | "NAUTICAL_MILE";
-
 function deg2rad(deg: Big): Big {
     return deg.times(Math.PI / 180);
 }
@@ -23,6 +21,8 @@ function kmToNauticalMile(km: Big): Big {
     return km.div(1.852);
 }
 
+type DistanceUnit = "KILOMETER" | "STATUTE_MILE" | "NAUTICAL_MILE";
+
 // END EXTRA CODE
 
 /**